Device for detecting surface defects of pipe fitting

Abstract

The invention discloses a device for detecting surface defects of pipe fittings, and belongs to the technical field of surface defect detection.The device for detecting the surface defects of the pipe fittings comprises a base, the base is provided with a bottom frame and a mounting rack, and the bottom frame is movably provided with an adjusting assembly used for positioning the position of a bent pipe or a straight pipe; first moving assemblies movably connected with the adjusting assembly are symmetrically and movably arranged on the bottom frame, a second moving assembly located above the adjusting assembly is installed on the installation frame, a transmission assembly is arranged between the adjusting assembly and the second moving assembly, a camera is installed on the second moving assembly, and a camera is installed on the transmission assembly. And a controller electrically connected with electric equipment in the device is arranged on the outer side of the mounting frame. The device has the advantages of flexible movement, capability of meeting the positioning requirements of pipe fittings with different lengths, shapes and specifications, efficient and comprehensive detection, reliable structure, convenience in operation, simplicity, convenience and practicability.

Description

Technical Field

[0001] The invention relates to the technical field of surface defect detection, and in particular to a device for detecting surface defects of pipe fittings. Background Art

[0002] Pipe fittings are a general term for parts that play the role of connection, control, direction change, diversion, sealing, support, etc. in pipeline systems. Pipe fittings are widely used in various pipeline systems, such as water supply systems, drainage systems, gas systems, thermal systems and industrial pipeline systems. They play key roles in these systems such as connection, control, direction change, diversion, sealing, support, etc. Pipe fittings include welded pipe fittings, threaded pipe fittings, ferrule pipe fittings, clamp pipe fittings, socket pipe fittings, adhesive pipe fittings, hot melt pipe fittings, curved elastic double melt pipe fittings and rubber ring connection pipe fittings. In order to ensure the use effect of pipe fittings, it is necessary to detect whether there are defects such as indentations and cracks on the outside of the pipe fittings.

[0003] In the prior art, a device for detecting surface defects of pipe fittings with patent number CN118730901A comprises a bottom plate, a rotating block is coaxially arranged at the center of the bottom plate, and a rotating device for driving the rotating block to rotate is arranged on one side of the rotating block; a plurality of pipe fixtures are evenly arranged along the circumferential direction on the outside of the rotating block, and the pipe fixtures are rotatably connected to the outer side of the rotating block; a pipe support part is slidably arranged on the top of the bottom plate along the circumferential direction, and the pipe support part and the pipe fixture are respectively arranged at two ends of the pipe fitting; a moving device is arranged on one side of the top of the rotating block, and a visual detection camera is arranged on the moving end of the moving device, and the moving device is used to drive the visual detection camera to move along the axial direction of the pipe fitting; a linkage is arranged between the moving device and the pipe fixture, and the pipe fixture is driven to rotate around the axis of the pipe fitting through the linkage when the moving device is in motion; the present invention can continuously and efficiently perform high-precision visual inspection on multiple pipe fittings, which not only ensures the accuracy of pipe fitting surface defect detection, but also improves the efficiency of pipe fitting surface defect detection.

[0004] However, the above content still has the following defects:

[0005] 1. The pipe fixture clamps the pipe, so that the surface defect detection cannot be performed on the area where the pipe surface and the pipe fixture meet, resulting in a blind detection area and reducing the detection accuracy.

[0006] 2. The device can only detect surface defects of straight pipes, but cannot effectively detect surface defects of bent pipes, so it has low applicability.

[0007] Therefore, it is necessary to provide a device for detecting surface defects of pipe fittings to solve the above problems. Summary of the invention

[0008] In view of the deficiencies in the prior art, an object of an embodiment of the present invention is to provide a device for detecting surface defects of pipe fittings to solve the problems in the above-mentioned background technology.

[0009] To achieve the above object, the present invention provides the following technical solutions:

[0010] A device for detecting surface defects of pipe fittings, comprising a base, a bottom frame and a mounting frame being provided on the base, and further comprising:

[0011] An adjusting component, the adjusting component is movably arranged on the bottom frame, and the adjusting component is used to locate the position of the curved pipe or the straight pipe;

[0012] A first movable component, the first movable component is symmetrically and movably arranged on the bottom frame, and the first movable component is movably connected to the adjustment component;

[0013] a second moving assembly, the second moving assembly being mounted on the mounting frame and located above the adjusting assembly;

[0014] A transmission assembly, the transmission assembly being disposed between the adjustment assembly and the second moving assembly;

[0015] A camera, wherein the camera is mounted on the second moving component;

[0016] And a controller, which is arranged on the outside of the mounting frame and is electrically connected to the electrical equipment in the device.

[0017] As a further solution of the present invention, the first moving component includes:

[0018] A bidirectional screw, which is rotatably arranged on the inner side of the bottom frame and is connected to a motor installed on the bottom frame;

[0019] A moving seat 1, wherein the moving seat 1 is symmetrical and threadedly connected to the bidirectional screw;

[0020] A guide rod 1, wherein the guide rod 1 is connected to the inside of the bottom frame;

[0021] A second movable seat, wherein the second movable seat is symmetrically and slidably disposed at two ends of the guide rod 1;

[0022] And a connecting rod, wherein the connecting rod is connected between the corresponding moving seat 1 and the moving seat 2.

[0023] As a further solution of the present invention, the adjustment component includes:

[0024] A rotating drum, wherein the rotating drum is rotatably arranged on the connecting rod;

[0025] A placement seat, the placement seat is movably arranged on the rotating drum, and a rotating seat is rotatably connected between the rotating drum and the placement seat;

[0026] A slide bar, the slide bar is symmetrical and slidably arranged on the placement seat;

[0027] A connecting plate, the connecting plate being connected to one end of the symmetrically arranged sliding rod close to the middle of the base;

[0028] A spring, the spring is connected between the connecting plate and the placement seat and sleeved on the outer side of the slide rod;

[0029] A side plate connected to an end of the slide bar away from the connecting plate;

[0030] A rotating rod, the rotating rod is rotatably arranged on the side plate, one end of the rotating rod close to each other is connected to a positioning seat movably abutting against the inner side of the end of the curved pipe or the straight pipe, and the other end of the rotating rod is connected to a second bevel gear;

[0031] And a second motor, wherein the second motor is mounted on the side plate, and an output end of the second motor is connected to a first bevel gear meshing with a second bevel gear.

[0032] As a further solution of the present invention, the second moving component includes:

[0033] A moving screw rod, the moving screw rod is rotatably arranged on the mounting frame, and one end of the moving screw rod is connected to a three-phase motor mounted on the mounting frame;

[0034] And a moving seat three, the moving seat three is threadedly connected to the moving screw, and the top of the moving seat three is slidably matched with a sliding groove two arranged on the mounting frame.

[0035] As a further solution of the present invention, the transmission assembly includes:

[0036] A second guide rod, wherein the second guide rod is arranged on the mounting frame;

[0037] A sliding seat, wherein the sliding seat is symmetrically and slidably arranged on the guide rod 2, the symmetrically arranged sliding seats are respectively located on both sides of the moving seat 3, and the sliding seat is slidably matched with a sliding groove 1 arranged on the mounting frame;

[0038] A reversing switch, the reversing switch is arranged on one side of the sliding seats close to each other and is movably abutted against the moving seats;

[0039] A movable slot plate, the movable slot plate being installed at the bottom of the second guide rod;

[0040] And a movable rod, which is slidably arranged in the movable slot plate and connected with the side plate.

[0041] As a further solution of the present invention, the movable base three is also provided with a fill light and a fan corresponding to the camera, and the fill light and the fan are both electrically connected to the controller.

[0042] As a further solution of the present invention, the positioning seat is configured to be in a truncated cone shape.

[0043] As a further solution of the present invention, a concave placement arc groove is provided on the upper side of the placement seat.

[0044] As a further solution of the present invention, a counterweight plate is also provided at the bottom of the rotating drum.

[0045] In summary, compared with the prior art, the embodiments of the present invention have the following beneficial effects:

[0046] 1. In the present invention, according to different lengths of curved pipes or straight pipes, the first moving component adaptively clamps the two ends of the curved pipe or straight pipe by adjusting the spacing between the symmetrically arranged adjusting components. The angle of the curved pipe or straight pipe can be rotated by the adjusting components. The second moving component drives the camera to move in the horizontal direction to shoot the upper surface of the curved pipe or straight pipe, and transmits the shooting data to the controller, which displays the shooting results. At the same time, the adjusting component realizes a reciprocating movement of a certain length of the camera in the horizontal direction by cooperating with the transmission component and the transmission component cooperates with the second moving component. It can realize corresponding shooting processing of the upper surface of the curved pipe or straight pipe after the curved pipe or straight pipe is rotated by a certain angle, which is convenient for comprehensive detection of the curved pipe or straight pipe.

[0047] 2. In the present invention, the movable seat 3 drives the camera to perform corresponding reciprocating movement by abutting against the reversing switch. At the same time, the controller controls the motor 2 to drive the bevel gear 1 to rotate a certain angle, and the bevel makes the curved pipe or straight pipe rotate 90 degrees, thereby adjusting the shooting area of ​​the camera. Through the intermittent 90-degree rotation of the curved pipe or straight pipe and the horizontal reciprocating movement of the camera, the surface of the curved pipe or straight pipe can be fully and efficiently detected, avoiding blind spots in the detection of the curved pipe or straight pipe, and improving the detection accuracy of the curved pipe or straight pipe;

[0048] 3. In the present invention, the start and stop of the fill light and the fan can be controlled by the controller. The fill light can be used to fill in the light of the pipe during the shooting process to avoid the pipe surface being unable to be effectively photographed due to insufficient light. The fan can blow away dust or debris adhering to the pipe surface to avoid dust or debris adhering to the pipe surface and affecting the detection accuracy.

[0049] In order to more clearly illustrate the structural features and effects of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] Figure 1 It is a schematic diagram of the overall structure of the bent pipe detection disclosed in the present invention.

[0051] Figure 2 It is a front cross-sectional view of the present invention.

[0052] Figure 3 It is a schematic structural diagram of the first moving component and the adjusting component disclosed in the present invention.

[0053] Figure 4 It is a schematic structural diagram of the transmission assembly and the second moving assembly disclosed in the present invention.

[0054] Figure 5 It is a schematic diagram of the structure of the regulating component disclosed in the present invention.

[0055] Figure 6 It is a structural schematic diagram of the mobile seat 1 disclosed in the present invention.

[0056] Figure 7 It is a schematic diagram of the overall structure of the straight tube detection disclosed in the present invention.

[0057] Figure numerals: 1, base; 2, bottom frame; 3, mounting frame; 4, first moving assembly; 41, motor 1; 42, bidirectional screw; 43, moving seat 1; 44, connecting rod; 45, guide rod 1; 46, moving seat 2; 5, adjustment assembly; 51, rotating drum; 52, counterweight plate; 53, rotating seat; 54, placement seat; 541, placement arc groove; 55, sliding rod; 56, connecting plate; 57, spring; 58, side plate; 59, motor 2; 510, bevel gear Wheel one; 511, bevel gear two; 512, rotating rod; 513, positioning seat; 6, bent pipe; 7, transmission assembly; 71, movable slot plate; 72, sliding seat; 73, guide rod two; 74, slide slot one; 75, reversing switch; 76, movable rod; 8, second movable assembly; 81, motor three; 82, moving screw; 83, moving seat three; 84, slide slot two; 9, controller; 10, camera; 11, fill light; 12, fan; 13, straight pipe. DETAILED DESCRIPTION

[0058] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0059] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0060] Embodiment 1:

[0061] See also Figure 1-Figure 7As shown, the present invention is a device for detecting surface defects of pipe fittings, comprising a base 1, on which a bottom frame 2 and a mounting frame 3 are provided, on which an adjustment component 5 for positioning a bent pipe 6 or a straight pipe 13 is movably provided, on which a first moving component 4 movably connected to the adjustment component 5 is symmetrically and movably provided on the bottom frame 2, on which a second moving component 8 located above the adjustment component 5 is installed, between which a transmission component 7 is provided, and on which a camera 10 is installed, and on the outer side of the mounting frame 3 is provided a controller 9 electrically connected to electrical equipment in the device.

[0062] Specifically, according to the different lengths of the curved pipe 6 or the straight pipe 13, the first moving component 4 adaptively clamps the two ends of the curved pipe 6 or the straight pipe 13 by adjusting the spacing between the symmetrically arranged adjusting components 5. The angle of the curved pipe 6 or the straight pipe 13 can be rotated by the adjusting component 5. The second moving component 8 drives the camera 10 to move in the horizontal direction to shoot the upper surface of the curved pipe 6 or the straight pipe 13, and transmits the shooting data to the controller 9. The controller 9 displays the shooting result. At the same time, the adjusting component 5 cooperates with the transmission component 7 and the transmission component 7 cooperates with the second moving component 8 to realize the reciprocating movement of the camera 10 in the horizontal direction of a certain length. The upper surface of the curved pipe 6 or the straight pipe 13 can be photographed and processed accordingly after the curved pipe 6 or the straight pipe 13 is rotated by a certain angle, which is convenient for comprehensive detection of the curved pipe 6 or the straight pipe 13. It has the effects of flexible movement, meeting the positioning requirements of pipes of different lengths, shapes and specifications, efficient and comprehensive detection, reliable structure, convenient operation and simple and practical.

[0063] The bottom frame 2 is configured as a C-shaped frame, and the mounting frame 3 is configured as an L-shaped frame, so as to facilitate stable support of the transmission assembly 7 and the second moving assembly 8 .

[0064] In the first embodiment of the present invention, the first moving assembly 4 includes a bidirectional screw 42 rotatably arranged on the inner side of the bottom frame 2, the bidirectional screw 42 is connected to a motor 1 41 installed on the bottom frame 2, a moving seat 1 43 is symmetrically and threadedly connected to the bidirectional screw 42, a guide rod 1 45 is connected inside the bottom frame 2, and two ends of the guide rod 1 45 are symmetrically and slidably provided with a moving seat 2 46, and a connecting rod 44 is connected between the corresponding moving seat 1 43 and the moving seat 2 46;

[0065] The adjusting assembly 5 includes a rotating drum 51 rotatably arranged on the connecting rod 44, a placing seat 54 is movably arranged on the rotating drum 51, a rotating seat 53 is rotatably connected between the rotating drum 51 and the placing seat 54, a sliding rod 55 is symmetrically and slidably arranged on the placing seat 54, and the symmetrically arranged sliding rod 55 is connected to a connecting plate 56 at one end close to the middle of the base 1, and a spring 57 is connected between the connecting plate 56 and the placing seat 54 and sleeved on the outer side of the sliding rod 55, and the sliding rod 55 is connected to a side plate 58 at one end away from the connecting plate 56, and a rotating rod 512 is rotatably arranged on the side plate 58, and the rotating rod 512 is connected to a positioning seat 513 movably abutted against the inner side of the end of the curved pipe 6 or the straight pipe 13 at one end thereof, and the other end of the rotating rod 512 is connected to a bevel gear 2 511, and a motor 2 59 is installed on the side plate 58, and the output end of the motor 2 59 is connected to a bevel gear 1 510 meshing with the bevel gear 2 511.

[0066] Specifically, the position between the symmetrically arranged rotating seat 53 and the connecting plate 56 is adjusted accordingly according to the length and shape of the pipe to be detected. When the bent pipe 6 needs to be clamped, the motor 1 41 drives the bidirectional screw 42 to rotate. The bidirectional screw 42 drives the connecting rod 44 to approach each other by threaded connection with the moving seat 1 43 and sliding cooperation between the moving seat 2 46 and the guide rod 1 45. The connecting rod 44 drives the rotating drum 51 to move synchronously to achieve the synchronous approach of the placing seat 54, pull the side plate 58 outward, and the side plate 5 8 drives the connecting plate 56 close to the placement seat 54 by connecting with the slide bar 55, the spring 57 is stressed and contracts, and the two ends of the bent pipe 6 are respectively placed on the corresponding placement seats 54, and the side plate 58 is released, the spring 57 extends and pushes the connecting plate 56 away from the placement seat 54, and the connecting plate 56 drives the side plate 58 close to the placement seat 54 by connecting with the slide bar 55, and the placement seat 54 drives the rotating rod 512 to move synchronously so that the positioning seat 513 abuts against the inner side of the end of the bent pipe 6, thereby clamping the position of the bent pipe 6;

[0067] When it is necessary to clamp the longer straight tube 13, the motor 141 drives the bidirectional screw 42 to rotate. The bidirectional screw 42 drives the connecting rod 44 to move away from each other by threaded connection with the moving seat 1 43 and sliding cooperation between the moving seat 2 46 and the guide rod 1 45. The connecting rod 44 drives the rotating drum 51 to move synchronously to achieve the synchronous separation of the placement seat 54, and pulls the side plate 58 outward. The side plate 58 drives the connecting plate 56 to approach the placement seat 54 by connecting with the sliding rod 55. The spring 57 is stressed and contracts, and the two ends of the straight tube 13 are respectively placed on the corresponding placement seats 54, and the side plate 58 is released. The spring 57 extends and pushes the connecting plate 56 away from the placement seat 54. The connecting plate 56 drives the side plate 58 to approach the placement seat 54 by connecting with the sliding rod 55. The placement seat 54 drives the rotating rod 512 to move synchronously so that the positioning seat 513 abuts against the inner side of the end of the straight tube 13, thereby clamping the position of the straight tube 13.

[0068] When the curved pipe 6 or the straight pipe 13 needs to be rotated to a certain angle, the motor 2 59 drives the bevel gear 1 510 to rotate, and the bevel gear 1 510 is meshed with the bevel gear 2 511 and the positioning seat 513 is abutted against the end of the curved pipe 6 or the straight pipe 13 to drive the curved pipe 6 or the straight pipe 13 to rotate to a corresponding angle, so that the camera 10 can shoot the surface of the curved pipe 6 or the straight pipe 13 at different angles in the length direction, thereby realizing comprehensive detection of pipe fittings and improving the detection accuracy of pipe fittings;

[0069] Among them, the positioning seat 513 is set to be truncated cone-shaped, which can adaptively clamp the two ends of the curved pipes 6 or straight pipes 13 of different calibers. The upper side of the placement seat 54 is provided with a concave placement arc groove 541, which is convenient for effectively supporting the outer wall of the curved pipe 6 or the straight pipe 13. Through the cooperation of the placement arc groove 541 and the rotating seat 53, it is convenient to rotate the curved pipe 6 or the straight pipe 13 in a circumferential direction. The motor 1 41 and the motor 2 59 are both electrically connected to the controller 9. A counterweight plate 52 is also provided at the bottom of the rotating drum 51. The counterweight plate 52 can ensure that the placement seat 54 is in a horizontal state when the device stops working.

[0070] In the first embodiment of the present invention, the second moving assembly 8 includes a moving screw 82 rotatably arranged on the mounting frame 3, one end of the moving screw 82 is connected to a motor 3 81 installed on the mounting frame 3, a moving seat 3 83 is threadedly connected to the moving screw 82, and the top of the moving seat 3 slidably cooperates with a slide groove 2 84 arranged on the mounting frame 3;

[0071] The transmission assembly 7 includes a guide rod 2 73 arranged on the mounting frame 3, and a sliding seat 72 is symmetrically and slidably provided on the guide rod 2 73. The symmetrically arranged sliding seats 72 are respectively located on both sides of the moving seat 3 83, and a reversing switch 75 movably abutting against the moving seat 3 83 is provided on the side where the sliding seats 72 are close to each other. The sliding seat 72 is slidably matched with a slide groove 1 74 arranged on the mounting frame 3, and a moving groove plate 71 is installed at the bottom of the guide rod 2 73, and a movable rod 76 connected to the side plate 58 is slidably provided in the moving groove plate 71.

[0072] Specifically, in the process of fixing the position of the bent pipe 6 or the straight pipe 13, the movable rod 76 moves synchronously with the movement of the side plate 58, and the movable rod 76 drives the symmetrically arranged sliding seats 72 to move closer to or away from each other by slidingly cooperating with the movable groove plate 71, slidingly cooperating with the sliding seat 72 and the second guide rod 73, and slidingly cooperating with the sliding seat 72 and the first slide groove 74;

[0073] In the process of detecting the surface of the curved pipe 6 or the straight pipe 13, the motor 3 81 drives the moving screw 82 to rotate clockwise, and the moving screw 82 drives the moving seat 3 83 to move to the right by means of a threaded connection with the moving seat 3 83 and a sliding cooperation between the moving seat 3 83 and the slide groove 2 84. When the moving seat 3 83 contacts the reversing switch 75 on the right, the reversing switch 75 is pressed and transmits a signal to the controller 9. The controller 9 controls the motor 3 81 to rotate counterclockwise, and the motor 3 81 drives the moving screw 82 to rotate counterclockwise, and the moving screw 82 drives the moving seat 3 83 to move to the left by means of a threaded connection with the moving seat 3 83 and a sliding cooperation between the moving seat 3 83 and the slide groove 2 84. In the process of the moving seat 3 83 moving to the left, the camera 10 can shoot and process the surface directly above the curved pipe 6 or the straight pipe 13, and transmit the shooting data to the controller 9, so as to realize the detection and processing of a certain area on the surface of the curved pipe 6 or the straight pipe 13;

[0074] When the moving seat three 83 contacts the reversing switch 75 on the left, the reversing switch 75 is pressed and transmits a signal to the controller 9, the controller 9 controls the motor three 81 to rotate clockwise, the motor three 81 drives the moving screw 82 to rotate clockwise, the moving screw 82 drives the moving seat three 83 to move to the right by means of threaded connection with the moving seat three 83 and sliding cooperation between the moving seat three 83 and the slide groove two 84, at the same time, the controller 9 controls the motor two 59 to drive the bevel gear one 510 to rotate a certain angle, the bevel gear one 510 drives the curved pipe 6 or the straight pipe 13 to rotate 90 degrees clockwise by means of meshing with the bevel gear two 511 and the positioning seat 513 abutting against the curved pipe 6 or the straight pipe 13, thereby adjusting the shooting area of ​​the camera 10;

[0075] When the movable seat three 83 contacts the reversing switch 75 on the right side again, the controller 9 receives the signal and controls the motor three 81 to rotate counterclockwise. At this time, the controller 9 controls the motor two 59 to drive the bevel gear one 510 to rotate a certain angle again, so that the curved pipe 6 or the straight pipe 13 rotates 90 degrees clockwise again, which can meet the detection requirements of the surface of the curved pipe 6 or the straight pipe 13 in this area. Through the intermittent 90-degree rotation of the curved pipe 6 or the straight pipe 13 and the horizontal reciprocating movement of the camera 10, the surface of the curved pipe 6 or the straight pipe 13 can be comprehensively and efficiently detected, avoiding blind spots in the detection of the curved pipe 6 or the straight pipe 13 and improving the detection accuracy of the curved pipe 6 or the straight pipe 13.

[0076] Embodiment 2:

[0077] See also Figure 1-Figure 7 In the second embodiment of the present invention, the movable base 83 is also provided with a fill light 11 and a fan 12 corresponding to the camera 10 , and the fill light 11 and the fan 12 are both electrically connected to the controller 9 .

[0078] Specifically, the controller 9 can be used to control the start and stop of the fill light 11 and the fan 12. The fill light 11 can be used to fill in the light of the pipe during the shooting process to avoid the inability to effectively shoot the surface of the pipe due to insufficient light. The fan 12 can blow away dust or debris adhering to the pipe to avoid dust or debris adhering to the surface of the pipe and affecting the detection accuracy.

[0079] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for detecting surface defects of pipe fittings, comprising a base, characterized in that: The base is provided with a bottom frame and a mounting frame, and further comprises: An adjusting component, the adjusting component is movably arranged on the bottom frame, and the adjusting component is used to locate the position of the curved pipe or the straight pipe; A first movable component, the first movable component is symmetrically and movably arranged on the bottom frame, and the first movable component is movably connected to the adjustment component; a second moving assembly, the second moving assembly being mounted on the mounting frame and located above the adjusting assembly; A transmission assembly, the transmission assembly being disposed between the adjustment assembly and the second moving assembly; A camera, wherein the camera is mounted on the second moving component; And a controller, which is arranged on the outside of the mounting frame and is electrically connected to the electrical equipment in the device.

2. The device for detecting surface defects of pipe fittings according to claim 1, characterized in that: The first moving component comprises: A bidirectional screw, which is rotatably arranged on the inner side of the bottom frame and is connected to a motor installed on the bottom frame; A moving seat 1, wherein the moving seat 1 is symmetrical and threadedly connected to the bidirectional screw; A guide rod 1, wherein the guide rod 1 is connected to the inside of the bottom frame; A second movable seat, wherein the second movable seat is symmetrically and slidably disposed at two ends of the guide rod 1; And a connecting rod, wherein the connecting rod is connected between the corresponding moving seat 1 and the moving seat 2.

3. The device for detecting surface defects of pipe fittings according to claim 2, characterized in that: The adjustment component comprises: A rotating drum, wherein the rotating drum is rotatably arranged on the connecting rod; A placement seat, the placement seat is movably arranged on the rotating drum, and a rotating seat is rotatably connected between the rotating drum and the placement seat; A slide bar, the slide bar is symmetrical and slidably arranged on the placement seat; A connecting plate, the connecting plate being connected to one end of the symmetrically arranged sliding rod close to the middle of the base; A spring, the spring is connected between the connecting plate and the placement seat and sleeved on the outer side of the slide rod; A side plate connected to an end of the slide bar away from the connecting plate; A rotating rod, the rotating rod is rotatably arranged on the side plate, one end of the rotating rod close to each other is connected to a positioning seat movably abutting against the inner side of the end of the curved pipe or the straight pipe, and the other end of the rotating rod is connected to a second bevel gear; And a second motor, wherein the second motor is mounted on the side plate, and an output end of the second motor is connected to a first bevel gear meshing with a second bevel gear.

4. The device for detecting surface defects of pipe fittings according to claim 3, characterized in that: The second moving component comprises: A moving screw rod, the moving screw rod is rotatably arranged on the mounting frame, and one end of the moving screw rod is connected to a three-phase motor mounted on the mounting frame; And a moving seat three, the moving seat three is threadedly connected to the moving screw, and the top of the moving seat three is slidably matched with a sliding groove two arranged on the mounting frame.

5. The device for detecting surface defects of pipe fittings according to claim 4, characterized in that: The transmission assembly comprises: A second guide rod, wherein the second guide rod is arranged on the mounting frame; A sliding seat, wherein the sliding seat is symmetrically and slidably arranged on the guide rod 2, the symmetrically arranged sliding seats are respectively located on both sides of the moving seat 3, and the sliding seat is slidably matched with a sliding groove 1 arranged on the mounting frame; A reversing switch, the reversing switch is arranged on one side of the sliding seats close to each other and is movably abutted against the moving seats; A movable slot plate, the movable slot plate being installed at the bottom of the second guide rod; And a movable rod, which is slidably arranged in the movable slot plate and connected with the side plate.

6. The device for detecting surface defects of pipe fittings according to claim 4, characterized in that: The movable seat three is also provided with a fill light and a fan corresponding to the camera, and the fill light and the fan are both electrically connected to the controller.

7. The device for detecting surface defects of pipe fittings according to claim 3, characterized in that: The positioning seat is configured in a truncated cone shape.

8. The device for detecting surface defects of pipe fittings according to claim 3, characterized in that: The upper side of the placement seat is provided with a concave placement arc groove.

9. The device for detecting surface defects of pipe fittings according to claim 3, characterized in that: A counterweight plate is also provided at the bottom of the rotating drum.

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